Comparison of ZOTAC GeForce GTX 1080 AMP Extreme video card vs INNO3D GeForce GTX 1660 COMPACT video card by specifications and benchmarks. ZOTAC GeForce GTX 1080 AMP Extreme runs at 1.771 GHz+ 10 % base clock speed and has 8 GB of GDDR5X memory, while video card INNO3D GeForce GTX 1660 COMPACT runs at 1.530 GHz base clock speed and has 6 GB of GDDR5 memory. The TDP of the first video card is 270 W+ 50 %, and the second is 120 W. Compare the table of benchmark results to find out which graphic card is better.